Doubleday Echo

The origin of the catastrophe is hidden deep in a mysterious grain of purple sand. It wakes up silently and releases a power beyond cognition, tearing the sun into two incomplete celestial bodies. The world suddenly loses its temperature and sinks into an endless winter. When the two suns rotated and the light and shadow overlapped, a huge mouth of the abyss opened in the sky, and countless strange beasts poured in like a tide, sweeping across the earth and making all things scream. But true despair does not come from heaven. It has been dormant under our feet——